Lesson Plan
Curated OER

One-Digit Addition and Subtraction (B)

For Teachers 1st - 3rd
In this addition and subtraction worksheet, students find the sums and differences of one-digit numbers. Students solve 49 problems.
Lesson Plan
Curated OER

Two-Digit Addition and Subtraction (A)

For Teachers 2nd - 4th
In this two-digit addition and subtraction worksheet, students solve with mixed regrouping and no regrouping. Students solve 49 problems.
Lesson Plan
Curated OER

Two-Digit Addition and Subtraction (B)

For Teachers 4th - 6th
In this adding and subtracting two-digit numbers worksheet, students find the sums using mixed regrouping and no regrouping. Students solve 49 problems.
Worksheet
Curated OER

Three-Digit Addition and Subtraction (H)

For Students 3rd - 4th
In this mixed addition and subtraction worksheet, students find the sums and differences for three-digit numbers. Students solve 49 problems.
Lesson Plan
Curated OER

Buying and Budgets

For Teachers 4th
Fourth graders add and subtract decimals as they use a table to solve budget based problems.
Worksheet
Math Mammoth

Add & Subtract Whole Hundreds 1

For Students 3rd
For this mathematics worksheet, 3rd graders compare the problem 2700 plus 200 to the problem 27 plus 2 and explain their reasoning. Then they notice the patterns for each of the problems and continue them.
Lesson Plan
Curated OER

Quarters, Dimes, and Nickels

For Teachers 2nd
Second graders add and subtract coins, decide which coins to use to purchase an item, and compare values of sets of coins.
Lesson Plan
Curated OER

Addition and Subtraction Pick n Mix 2

For Teachers 4th
Fourth graders practice a wide range of strategies for solving addition and subtraction problems containing decimal fractions. They add and subtract fractions, decimals and integers while generalizing the properties of operations with...
Interactive
CK-12 Foundation

Subtraction of Fractions: Fragmented Fractions

For Students 5th - 8th Standards
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion. 
Activity
Illustrative Mathematics

Hitting the Target Number

For Students 2nd Standards
Make combinations to reach the target. Learners play a game to add and subtract numbers between 0 and 10 to reach a target number between 10 through 20. Teachers use the game to help pupils learn efficient ways to add and subtract within...
Interactive
CK-12 Foundation

Differences of Fractions with Different Denominators

For Students 6th - 8th Standards
Subtracting fractions with unlike denominators is the focus of an interactive designed to boost mathematicians' problem-solving skills. Five questions challenge participants to answer multiple-choice and true or false questions with help...
Handout
Math Centre UK

Fractions

For Students 3rd - 5th Standards
Reinforce fraction instruction with an informative worksheet equipped to provide independent practice, as well as guidance and modeling. Support is provided to boost proficiency in finding equivalent fractions, and adding,...
Interactive
Scholastic

Study Jams! Addition & Subtraction Equations

For Students 5th - 7th Standards
Zoe is decorating a cake for her grandpa's birthday and needs to know how many more candles to add. Follow along as she explains how to set up and solve algebraic equations in this step-by-step presentation. Equations with negative...
Assessment
Bridges In Mathematics

Grade 2 Comprehensive Growth Assessment

For Teachers 2nd Standards
Need to know if your students comprehend all the Common Core standards covered in second grade? This growth assessment will let you know.  Find out if your second graders can add/subtract, tell the time, read a bar graph, know their...
Lesson Plan
Teacher Created Materials

Rounding Numbers

For Teachers 3rd Standards
Pupils practice rounding numbers to the nearest ten and hundred. They solve rounding numbers word problems, and add and subtract rounded numbers. This nice, neat handout fully serves its purpose and can help meet CCSS.Math.Content.3.NBT.1.
Printables
Curated OER

Fractions: A Conceptual Approach

For Teachers 3rd - 6th Standards
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
Worksheet
Curated OER

Solving Rational Equations

For Students 8th - 12th Standards
In this algebra worksheet, students solve rational equations. They add and subtract rational equations and check for extraneous roots. There are 16 questions with an answer key.
Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 3

For Students 3rd Standards
Assess scholars' knowledge with a 22-page assessment that covers place value, patterns, probability, estimation, measurement, geometric figures; and their ability to add, subtract, multiply and divide proficiently. 
Interactive
CK-12 Foundation

Repeating Decimals: Does 1 equal 0.999... ?

For Students 6th - 8th Standards
Six questions make up a challenging interactive that tests scholars' knowledge of repeating decimals. Mathematicians answer true or false and multiple-choice questions with help from a tool that highlights decimal movement in an...
Lesson Plan
Curated OER

Citrus Fruit Counting and Problem Solving

For Teachers K - 2nd
In these two counting citrus fruits worksheets, students add and subtract by coloring the fruits and solving the problems and problem solving consumer math word problems.  Students solve 12 problems. 
Worksheet
Curated OER

Radical Expressions: Add and Subtract

For Students 9th - 12th
For this radicals worksheet, students simplify the sum or difference of radical expressions. There are 11 multiple choice questions.
Worksheet
Curated OER

Fractions and Percentages extra exercises 4.1

For Students 4th - 5th
In this working with fraction and percentage learning exercise, students complete fractions, write fractions in simplest form, write fractions in order of size, calculate fractions of whole numbers, solve word problems, add and subtract...
PPT
Curated OER

Integers

For Students 5th - 8th Standards
Integers can be challenging, but this presentation makes teaching integers a whole lot easier! Comprehensive information, a song, chant, and pop quizzes provide an in-depth look into what integers are, and how to add, subtract, and graph...
Printables
Curriculum Corner

“I Can” Common Core! 1st Grade Math

For Teachers 1st Standards
Any first grader can master the Common Core math standards with this checklist! With each standard rewritten as an affirmative I can statement, children are provide with clear goals to work toward throughout the school...